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//
//// libavg - Media Playback Engine.
//// Copyright (C) 2003-2011 Ulrich von Zadow
////
//// This library is free software; you can redistribute it and/or
//// modify it under the terms of the GNU Lesser General Public
//// License as published by the Free Software Foundation; either
//// version 2 of the License, or (at your option) any later version.
////
//// This library is distributed in the hope that it will be useful,
//// but WITHOUT ANY WARRANTY; without even the implied warranty of
//// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
//// Lesser General Public License for more details.
////
//// You should have received a copy of the GNU Lesser General Public
//// License along with this library; if not, write to the Free Software
//// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
////
//// Current versions can be found at www.libavg.de
////
//
#ifndef _GPUHueSatFilter_H_
#define _GPUHueSatFilter_H_
#include "../api.h"
#include "GPUFilter.h"
#include "GLShaderParam.h"
namespace avg {
class AVG_API GPUHueSatFilter: public GPUFilter
{
public:
GPUHueSatFilter(const IntPoint& size, bool bUseAlpha, bool bStandalone=true);
virtual ~GPUHueSatFilter();
virtual void applyOnGPU(GLTexturePtr pSrcTex);
void setParams(int hue, int saturation=1, int lightness_offset=0,
bool colorize=false);
private:
float m_LightnessOffset;
float m_Hue;
float m_Saturation;
bool m_bColorize;
FloatGLShaderParamPtr m_pHueParam;
FloatGLShaderParamPtr m_pSatParam;
FloatGLShaderParamPtr m_pLightnessParam;
IntGLShaderParamPtr m_pColorizeParam;
IntGLShaderParamPtr m_pTextureParam;
};
typedef boost::shared_ptr<GPUHueSatFilter> GPUHueSatFilterPtr;
}
#endif
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